Is the Manticore a man-eating monster from Persian myth or simply a misidentified tiger? Featured in tabletop RPGs, card games, books, animated movies and shows, the manticore is a legend.

On top is the relatively thin crust where we live. Beneath that is the 2,900 km thick mantle layer. Then, enclosed within the mantle is the innermost metallic core of our planet. The mantle is ...

To understand the mantle—the largest layer of Earth’s rocky body—scientists drill deep cores out of the Earth. Scientists drilled the deepest core yet and recovered serpentinized peridotite ...